range grouped and ungrouped data

It is obtained by adding the raw scores and dividing the sum by the number of items. Suppose the raw scores are x 1 , x 2 , x 3 ,, x N then, mean where M = mean x = each score or item N = number of items = sigma, which means 'summation of ' Find the mean of 6, 10, 4, 12, 8. M = 8 ..

Find the interquartile range of the data. => 5 or 15 or 25 or 20..

The bar graph represents the rainfall in a city from October to December. Find the range of the data. => 5 or 14 or 20 or 4..

Find the range of the data shown in the line plot. => 12 or 13 or 2 or 3..

: Dotplot, stemplot, histogram, cumulative frequency plot Center and spread Clusters and gaps Outliners and other unusual features Shape Summarizing distributions of univariate data: Measuring center: median, mean Measuring spread: range, interquartile range, standard ..

Which of the graphs can we use to find the range? => Graph 1 and Graph 2 or Graph 1 only or insufficient data or Graph 2 only..

Mary collected the data that consists of the number of automobiles that a car dealer in her town has sold in different price ranges. What is the price range of the maximum number of cars sold? => $1,000-$1,999 or $5,000-$5,999 or $6,000-$6,999 or $0-$1,000..

(Formation of ethers) - Williamson Synthesis This reaction is called 'Williamson's synthesis' and is quite useful for preparing ethers. Haloalkanes can also be converted into ethers by heating with dry silver oxide. ..

Mrs.Smith has divided all the students in her class into groups. The line plot shows the number of girls in each group. Find the mode of the data shown. => 11 or 5 or 9 or 4..

The graph shows the number of people among every 1000 who read a newspaper daily. Find the range of the data. => 220 or 90 or 199 or None of the above..